/* ==========================================================================
   CTAO Science Portal — design tokens per the official CTAO Brand Guidelines
   (April 2024): colors D.2, typography D.3 (Inter body / Space Grotesk display),
   flash D.4. All look-and-feel lives in the tokens below; WCAG 2.1 AA contrast.
   Light theme only (brand is light-first; navy bands carry the dark identity).
   System rules (spacing / elevation / surfaces / motion): see DESIGN.md.
   ========================================================================== */
:root {
  color-scheme: light;
  /* Brand palette — hex values straight from the brand book */
  --galaxy: #00004a;        /* Galaxy Blue — headings, header/footer bands */
  --cherenkov: #00e4d8;     /* Cherenkov Blue — accents, flash, CTAs; NOT for small text on light */
  --moon: #f5f5f5;          /* Moon Gray — surfaces */
  --azure: #007aff;         /* Cosmic Azure — brand hyperlink hue (large/UI only on light) */
  --indigo: #00009c;        /* Interestellar Indigo — gradient depth */
  /* Derived, WCAG-adjusted */
  --text: #101228;          /* near-Galaxy body ink */
  --muted: #46536a;
  --border: #e2e5ee;
  --link: #0057c2;          /* Cosmic Azure darkened to pass AA (4.5:1) for body links */
  --on-galaxy-muted: #c7cde9;
  --tint-cherenkov: color-mix(in srgb, var(--cherenkov) 16%, transparent); /* chip/badge fill */
  --cherenkov-hover: color-mix(in oklab, var(--cherenkov), var(--galaxy) 12%); /* CTA hover state */
  --ico-ext: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"%3E%3Cpath d="M7 17 17 7M9 7h8v8" fill="none" stroke="black" stroke-width="2.5"/%3E%3C/svg%3E');
  /* Type & layout */
  --font-body: "Inter", "Inter Fallback", Arial, system-ui, sans-serif;   /* BRAND D.3.1 */
  --font-display: "Space Grotesk", var(--font-body);                      /* BRAND D.3.2 — headlines only */
  /* ctao.org uses generous rounding (15/30/60px tokens) and pill buttons */
  --radius: 16px;
  --radius-pill: 999px;
  --maxw: 1120px;
  /* Fluid spacing scale (ctao.org rhythm: sections breathe, mobile stays compact).
     Every section / container / card padding sits on this scale — no ad-hoc values. */
  --gutter: clamp(18px, 4vw, 28px);              /* page side padding */
  --space-s: 12px;
  --space-m: 20px;
  --space-l: clamp(24px, 2vw + 16px, 40px);
  --space-xl: clamp(40px, 3vw + 24px, 72px);     /* section rhythm */
  --space-band: clamp(48px, 5vw + 28px, 96px);   /* hero / auth band padding */
  /* Elevation — navy-tinted; the ONLY two shadows allowed in this codebase */
  --shadow-ambient: 0 1px 2px rgba(0, 0, 74, 0.05), 0 4px 14px rgba(0, 0, 74, 0.07);
  --shadow-lifted: 0 4px 10px rgba(0, 0, 74, 0.08), 0 18px 44px rgba(0, 0, 74, 0.18);
  /* Nebula glow (BRAND D.5) — one stack for hero + auth bands, static AND animated.
     Alphas are contrast ceilings (DESIGN.md): Cherenkov ≤.38, Azure ≤.35 keep the
     Cherenkov subtitle/eyebrow ≥4.5:1 even with a blob core right under the text.
     Cherenkov and Azure cores sit in opposite corners — cores never meet. */
  --nebula:
    radial-gradient(52% 58% at 78% 76%, rgba(0, 228, 216, 0.38), transparent 66%),
    radial-gradient(46% 52% at 12% 18%, rgba(0, 122, 255, 0.33), transparent 64%),
    radial-gradient(75% 85% at 40% 55%, rgba(0, 0, 156, 0.8), transparent 72%);
}

/* Self-hosted brand fonts — latin subset, variable weight, swap + metric-matched fallback */
@font-face {
  font-family: "Inter"; font-weight: 400 700; font-display: swap;
  src: url("/fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Space Grotesk"; font-weight: 500 700; font-display: swap;
  src: url("/fonts/space-grotesk-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter Fallback"; src: local("Arial");
  size-adjust: 107%; ascent-override: 90.2%; descent-override: 22.48%; line-gap-override: 0%;
}

/* Screen-reader-only utility (visually hidden, still announced) */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 84px; /* sticky header + anchor jumps */ }
body {
  margin: 0;
  font-family: var(--font-body);
  background: #fff;
  color: var(--text);
  line-height: 1.65;
  min-height: 100dvh;
}

h1, h2 { font-family: var(--font-display); letter-spacing: -0.01em; }
h1, h2, h3, .hero p { text-wrap: balance; }
.prose p, .desc { text-wrap: pretty; }

/* Inline SVG icons — stroke inherits currentColor */
.ico { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; flex: none; }

a { color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--indigo); }
/* Placeholder links (<a> without href) don't pretend to be clickable */
a:not([href]) { text-decoration: none; cursor: default; }
img { max-width: 100%; height: auto; display: block; }

/* Visible keyboard focus everywhere (WCAG 2.4.7) */
:focus-visible { outline: 2px solid var(--azure); outline-offset: 2px; }

/* Skip link — first tab stop, hidden until focused (WCAG 2.4.1) */
.skip {
  position: absolute; left: 16px; top: -52px; z-index: 20;
  background: var(--galaxy); color: #fff; text-decoration: none;
  padding: 10px 16px; border-radius: 0 0 var(--radius) var(--radius);
}
.skip:focus { top: 0; }

/* Safety net: even third-party/UA leftovers never move for reduced-motion users */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
/* Surface rhythm: white (editorial) → Moon Gray (service/utility bands) → Galaxy (hero/footer) */
.band--moon { background: var(--moon); }

/* Flash — the REAL brand star (BRAND D.4): inline SVG path lifted from the
   official logo, never a CSS approximation. Budget: one accent per view; static. */
.flash { width: 12px; height: 12px; color: var(--cherenkov); flex: none; }

/* Header — Galaxy Blue band, reverse (white) logo per BRAND B.1.2 */
.site-header { background: var(--galaxy); position: sticky; top: 0; z-index: 10; }
.nav { display: flex; align-items: center; gap: 4px; min-height: 64px; flex-wrap: nowrap; }
.nav > nav { display: flex; align-items: center; gap: 4px; }
/* Header tiers (one row, always): full nav >1024px; sub-brand only >1100px;
   disclosure menu (native <details>/<summary>, CSS-only) at ≤1024px */
@media (max-width: 1100px) { .brand .brand-sub { display: none; } }
@media (max-width: 360px) {
  .nav { padding: 0 14px; }
  .brand img { height: 20px; }
  .nav .login-mock { padding: 8px 14px; }
}
.menu { display: none; }
.menu .i-close { display: none; }
.menu[open] .i-menu { display: none; }
.menu[open] .i-close { display: block; }
@media (max-width: 1024px) {
  .nav > nav, .nav > a.navlink { display: none; }
  .menu { display: block; }
  .menu summary {
    display: inline-flex; align-items: center; gap: 8px; min-height: 44px;
    padding: 0 10px; margin-left: 6px; color: #fff; font-weight: 500;
    cursor: pointer; list-style: none; white-space: nowrap;
  }
  .menu summary::-webkit-details-marker { display: none; }
  .menu nav {
    position: absolute; left: 0; right: 0; top: 100%;
    display: flex; flex-direction: column; padding: 6px var(--gutter) 14px;
    background: var(--galaxy); border-top: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-lifted);
  }
  .menu nav a {
    display: flex; align-items: center; min-height: 44px;
    color: #fff; font-weight: 500; text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }
  .menu nav a:last-child { border-bottom: 0; }
  .menu nav a[aria-current="page"] { color: var(--cherenkov); }
}
.brand { display: flex; align-items: center; gap: 10px; margin-right: 10px; }
.brand img { height: 26px; width: auto; }
.brand .brand-sub {
  color: var(--cherenkov); font-size: 0.78rem; font-weight: 500;
  border-left: 1px solid rgba(255,255,255,0.25); padding-left: 10px;
}
.nav .spacer { flex: 1; }
.nav a.navlink {
  color: var(--on-galaxy-muted); font-weight: 500; font-size: 0.95rem;
  padding: 10px 10px; text-decoration: none; border-bottom: 2px solid transparent;
}
.nav a.navlink:hover { color: #fff; }
.nav a.navlink[aria-current="page"] { color: #fff; border-bottom-color: var(--cherenkov); }
.nav a.navlink--edit {
  color: #fff; border: 1px solid rgba(255,255,255,0.35); border-radius: var(--radius-pill);
  padding: 7px 16px; margin-left: 6px;
}
.nav a.navlink--edit:hover { border-color: var(--cherenkov); color: var(--cherenkov); }
/* AAI sign-in entry — leads to the /login mock page */
.nav .login-mock {
  color: var(--galaxy); background: var(--cherenkov); font: inherit; font-weight: 600;
  border: 0; border-radius: var(--radius-pill); padding: 8px 18px; margin-left: 6px;
  text-decoration: none; white-space: nowrap;
}
.nav .login-mock:hover { background: var(--cherenkov-hover); color: var(--galaxy); }
/* Tap targets ≥44px (WCAG 2.5.5); inline-flex keeps the active bottom border */
.nav a.navlink, .nav .login-mock, .nav a.navlink--edit {
  display: inline-flex; align-items: center; gap: 6px; min-height: 44px;
}
.navlink--edit .ico { width: 15px; height: 15px; }
/* External-link marker — SVG arrow via mask, inherits currentColor */
.external::after {
  content: ""; display: inline-block; width: 0.72em; height: 0.72em; margin-left: 3px;
  background: currentColor;
  -webkit-mask: var(--ico-ext) center / contain no-repeat;
  mask: var(--ico-ext) center / contain no-repeat;
}

/* Hero — navy band with a nebula glow (BRAND D.5). The static gradient below is
   the reduced-motion fallback; with motion allowed, the glow moves to an animated
   pseudo-layer (see the motion block at the end of this file). */
.hero-band {
  background: var(--nebula), var(--galaxy);
  color: #fff; padding: var(--space-band) 0; position: relative; overflow: hidden;
}
.hero { position: relative; } /* content above the animated nebula layer */
.hero h1 { font-size: clamp(2rem, 6vw, 3.6rem); margin: 0 0 10px; line-height: 1.12; font-weight: 700; }
.hero p { color: var(--cherenkov); font-size: 1.08rem; max-width: 62ch; margin: 0; } /* subtitle per BRAND D.3.4 */
.eyebrow {
  color: var(--on-galaxy-muted); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.14em; font-size: 0.72rem; margin-bottom: 8px;
}

/* Search fields — large pill input with inline magnifier; real GET form to /search */
.hero-search, .search-form { position: relative; display: flex; gap: 8px; max-width: 560px; }
.hero-search { margin-top: var(--space-m); }
.search-ico { position: absolute; left: 16px; top: 50%; translate: 0 -50%; color: var(--muted); pointer-events: none; }
.hero-search input, .search-form input {
  flex: 1; min-width: 0; font: inherit; color: var(--text);
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-pill); padding: 13px 18px 13px 44px;
}
.hero-search input:focus, .search-form input:focus { border-color: var(--azure); }
/* Live suggestions under the hero search — plain links, Tab-accessible */
.suggest {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 5;
  list-style: none; margin: 0; padding: 6px; text-align: left;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-lifted);
}
.suggest:empty { display: none; }
.suggest li { display: flex; align-items: center; gap: var(--space-s); padding: 0 12px; border-radius: calc(var(--radius) - 8px); }
.suggest li:hover { background: var(--moon); }
.suggest a {
  flex: 1; display: flex; align-items: center; min-height: 44px;
  color: var(--text); font-weight: 500; font-size: 0.94rem; text-decoration: none;
}
.suggest::after {
  content: "↵ Enter — all results"; display: block; margin-top: 4px;
  padding: 8px 12px 2px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: 0.78rem;
}

/* Section header row (h2 + optional "All news →" link) */
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--space-s); margin: var(--space-l) 0 var(--space-m);
}
.section-head:first-child { margin-top: 0; }
.section-head h2 { margin: 0; color: var(--galaxy); font-size: clamp(1.3rem, 2.5vw, 1.6rem); }
.more { font-weight: 600; text-decoration: none; white-space: nowrap; }
.more:hover { text-decoration: underline; }

/* Responsive 1/2/3-column grid (news cards + service tiles); container for @container */
.grid { display: grid; gap: var(--space-m); grid-template-columns: 1fr; container-type: inline-size; }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 940px) { .grid { grid-template-columns: repeat(3, 1fr); } }
/* Subgrid: cover/cat/title/desc/meta rows align across each card row */
@supports (grid-template-rows: subgrid) {
  .grid > .card:not(.card--featured, .tile) { display: grid; grid-template-rows: subgrid; grid-row: span 5; gap: 0; }
  .grid > .card:not(.card--featured, .tile) .body { display: grid; grid-template-rows: subgrid; grid-row: span 4; gap: 10px; }
}

/* News cards — image + category + clamped title/description + <time> meta;
   whole card clickable via stretched link (research: NN/g & card-UI guides 2025). */
.card {
  position: relative; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-ambient);
  display: flex; flex-direction: column;
}
.card:hover, .card:focus-within { border-color: var(--azure); box-shadow: var(--shadow-lifted); }
/* Visible focus ring for the whole-card stretched link (WCAG 2.4.7) */
.card:focus-within { box-shadow: 0 0 0 2px var(--azure), var(--shadow-lifted); }
.card .cover { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.card .body { padding: var(--space-m); display: flex; flex-direction: column; gap: 10px; flex: 1; }
/* Cover-less cards get a Cherenkov top accent instead of an image */
.card:not(:has(.cover)) .body { border-top: 3px solid var(--cherenkov); }
.cat {
  display: inline-block; align-self: flex-start; font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.08em; font-weight: 600;
  color: var(--galaxy); background: var(--tint-cherenkov);
  padding: 4px 10px; border-radius: var(--radius-pill);
}
.card h3 {
  margin: 2px 0 0; font-size: 1.1rem; line-height: 1.35; font-family: var(--font-body), sans-serif;
  display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.card h3 a { color: var(--galaxy); text-decoration: none; }
/* Stretched link: the title's tap target covers the whole card (still one tab stop);
   ::before keeps ::after free for the external-link arrow */
.card h3 a::before { content: ""; position: absolute; inset: 0; }
.card h3 a:hover { color: var(--link); }
.card .desc {
  margin: 0; color: var(--muted); font-size: 0.94rem;
  display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card .meta { margin-top: auto; color: var(--muted); font-size: 0.8rem; }
/* Lead story — larger, splits when the grid itself is wide enough (container query) */
@container (min-width: 640px) {
  .card--featured { grid-column: 1 / -1; display: grid; grid-template-columns: 3fr 2fr; }
  .card--featured .cover { height: 100%; aspect-ratio: auto; }
  .card--featured .body { padding: var(--space-l); justify-content: center; }
  .card--featured h3 { font-size: 1.6rem; font-family: var(--font-display), sans-serif; -webkit-line-clamp: 3; line-clamp: 3; }
  .card--featured .desc { -webkit-line-clamp: 3; line-clamp: 3; }
}

/* Service tiles — card tokens, text-first */
.tile { padding: var(--space-m); gap: 8px; }
.tile h3 { margin: 0; }
.tile .badge-mock, .tile .badge-ext { margin: auto 0 0; align-self: flex-start; }

/* Article — 70ch column; on ≥1200px a sticky "On this page" rail sits to the right */
.article-layout { display: grid; grid-template-columns: minmax(0, 70ch); }
.article { padding: var(--space-l) 0 var(--space-xl); max-width: 70ch; }
.article .back { color: var(--muted); font-size: 0.9rem; }
.article h1 {
  color: var(--galaxy); font-size: clamp(2rem, 5vw, 3rem);
  margin: 14px 0 10px; line-height: 1.12;
}
.article .meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px;
  color: var(--muted); font-size: 0.9rem; margin-bottom: var(--space-l);
}
.article .cover { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: var(--space-l); }
/* Lead paragraph — slightly larger and muted */
.prose > p:first-of-type { font-size: 1.08rem; color: var(--muted); }
/* Article TOC (MDN/Stripe pattern, rendered only when ≥3 h2/h3): sticky right rail
   on wide screens, collapsed <details> under the title otherwise. */
.toc {
  background: var(--moon); border: 1px solid var(--border); border-radius: var(--radius);
  padding: var(--space-s) var(--space-m); font-size: 0.92rem;
}
.toc strong, .toc summary {
  font-size: 0.72rem; text-transform: uppercase; font-weight: 600;
  letter-spacing: 0.08em; color: var(--muted);
}
.toc strong { display: block; margin-bottom: 4px; }
.toc summary { cursor: pointer; padding: 6px 0; }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 8px 0; }
.toc .d3 { padding-left: var(--space-s); }
.toc a { text-decoration: none; display: inline-flex; align-items: center; min-height: 24px; }
.toc a:hover { text-decoration: underline; }
.toc--inline { margin-bottom: var(--space-l); }
.toc--rail { display: none; }
@media (min-width: 1200px) {
  .article-layout { grid-template-columns: minmax(0, 70ch) 15rem; column-gap: var(--space-xl); justify-content: space-between; }
  .toc--inline { display: none; }
  .toc--rail {
    display: block; position: sticky; top: 88px; align-self: start;
    margin-top: calc(var(--space-l) + 44px); /* aligns with the article h1 */
    max-height: calc(100dvh - 112px); overflow: auto;
  }
}

.prose h2 { color: var(--galaxy); margin: 34px 0 10px; font-size: clamp(1.25rem, 2.6vw, 1.45rem); }
.prose h3 { color: var(--galaxy); margin: 26px 0 8px; font-size: 1.15rem; }
.prose p { margin: 0 0 16px; }
.prose ul, .prose ol { margin: 0 0 16px; padding-left: 22px; }
.prose li { margin: 6px 0; }
.prose blockquote {
  margin: 22px 0; padding: 12px 20px; border-left: 3px solid var(--cherenkov);
  background: var(--moon); color: var(--text);
}
.prose img { border: 1px solid var(--border); border-radius: var(--radius); }
.prose img + em, .prose p > em:only-child { color: var(--muted); font-size: 0.85rem; }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 32px 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 16px; font-size: 0.94rem; }
.prose th { text-align: left; font-weight: 600; color: var(--galaxy); }
.prose th, .prose td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
.prose thead th { border-bottom: 2px solid var(--cherenkov); }

/* Generic page section — one rhythm token for all pages */
.page { padding: var(--space-xl) 0; }
.panel {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: var(--space-m); box-shadow: var(--shadow-ambient);
}
.panel--narrow { max-width: 640px; }
.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-row label { font-size: 0.88rem; font-weight: 500; }
.form-row input, .form-row select, .form-row textarea {
  background: #fff; border: 1px solid var(--border); border-radius: calc(var(--radius) - 4px);
  color: var(--text); padding: 11px 12px; font: inherit;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { border-color: var(--azure); }
.btn {
  background: var(--cherenkov); color: var(--galaxy); border: 0;
  padding: 12px 24px; border-radius: var(--radius-pill);
  font: inherit; font-weight: 600; cursor: pointer;
}
.btn:hover { background: var(--cherenkov-hover); }
.notice { color: var(--muted); font-size: 0.85rem; margin-top: 10px; }

/* Search results (list built by the inline script on /search) — card-like rows */
.search-results { list-style: none; margin: var(--space-m) 0 0; padding: 0; max-width: 720px; display: grid; gap: var(--space-s); }
.search-results li {
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-s);
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 18px; box-shadow: var(--shadow-ambient);
}
.search-results li:hover { border-color: var(--azure); box-shadow: var(--shadow-lifted); }
.search-results a { text-decoration: none; font-weight: 500; }
.search-results a:hover { text-decoration: underline; }
/* Date chips on results and suggestions */
.search-results small, .suggest small {
  color: var(--muted); white-space: nowrap; font-size: 0.78rem;
  background: var(--moon); border-radius: var(--radius-pill); padding: 2px 10px;
}

/* Mock/status badges — every mock must be labelled (REQUIREMENTS.md §5) */
.badge-mock, .badge-ext {
  display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; padding: 4px 10px; border-radius: var(--radius-pill); margin-bottom: 14px;
}
.badge-mock { color: #7a3d00; background: #fff3e0; border: 1px solid #f0cf9b; }
.badge-ext { color: var(--galaxy); background: var(--moon); border: 1px solid var(--border); text-transform: none; letter-spacing: 0; }

/* Dashboard mock — aggregation panels with status pills */
.dash-grid { display: grid; gap: var(--space-m); grid-template-columns: 1fr; margin-top: var(--space-s); }
@media (min-width: 940px) { .dash-grid { grid-template-columns: repeat(2, 1fr); } }
.panel-title { color: var(--galaxy); font-size: 1.1rem; margin: 0 0 var(--space-s); font-family: var(--font-body), sans-serif; font-weight: 600; }
.rows { list-style: none; margin: 0; padding: 0; }
.rows li {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
  padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 0.92rem;
}
.rows li:last-child { border-bottom: 0; }
.row-id { color: var(--muted); font-size: 0.8rem; min-width: 7.5em; }
.row-main { flex: 1; min-width: 12em; }
.row-date { color: var(--muted); font-size: 0.8rem; }
.pill {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 3px 10px; border-radius: var(--radius-pill); border: 1px solid var(--border);
}
.pill--ok { color: var(--galaxy); background: var(--tint-cherenkov); }
.pill--review { color: var(--galaxy); background: var(--moon); }
.pill--draft { color: var(--muted); background: #fff; }

/* Auth (login mock) — nebula backdrop + floating card, modern auth pattern */
.auth-band {
  min-height: calc(100dvh - 64px); position: relative; overflow: hidden;
  display: grid; place-items: center; padding: var(--space-band) var(--gutter);
  background: var(--nebula), var(--galaxy);
}
.auth-card {
  position: relative; background: #fff; border-radius: calc(var(--radius) + 8px);
  padding: clamp(24px, 5vw, 40px) clamp(20px, 4.5vw, 36px); max-width: 440px; width: 100%;
  box-shadow: var(--shadow-lifted);
}
.auth-logo { height: 24px; width: auto; margin-bottom: var(--space-m); }
.auth-card h1 { color: var(--galaxy); margin: 6px 0 10px; font-size: 1.8rem; }
.auth-card .muted { color: var(--muted); font-size: 0.95rem; }
.btn-wide { width: 100%; margin-top: var(--space-s); }

/* Footer — brand band: logo + descriptor / spec links (§3.3.1) / demo note + flash.
   No top margin: Moon/Galaxy bands meet it flush; white pages pad via .page/.article. */
.footer { background: var(--galaxy); color: var(--on-galaxy-muted); font-size: 0.85rem; }
.footer .container { display: grid; gap: var(--space-m); padding-top: var(--space-xl); padding-bottom: var(--space-l); }
.foot-top { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-s) var(--space-m); }
.foot-top img { height: 30px; width: auto; }
.foot-top p { margin: 0; max-width: 60ch; }
.foot-links { display: flex; flex-wrap: wrap; gap: 4px var(--space-m); }
.foot-links a { color: #fff; font-weight: 500; text-decoration: none; display: inline-flex; align-items: center; min-height: 24px; }
.foot-links a[href]:hover { text-decoration: underline; }
.foot-links a:not([href]) { color: var(--on-galaxy-muted); }
.foot-note { display: flex; align-items: center; gap: var(--space-s); border-top: 1px solid rgba(255, 255, 255, 0.15); padding-top: var(--space-m); }

/* Whole-page ambient (2026 pattern) — a fixed brand-hue wash behind everything,
   opt-in per page via <Base ambient> (home only). Clearly visible pastel fields
   (alphas .16/.12/.10 — ceilings: links on the worst blob overlap stay ≥ 5.3:1);
   all reading surfaces (cards, panels, bands) are solid and cover it. Static
   when motion is reduced. */
.has-ambient::before {
  content: ""; position: fixed; inset: -30%; z-index: -1; pointer-events: none;
  background:
    radial-gradient(44% 38% at 82% 10%, rgba(0, 228, 216, 0.16), transparent 70%),
    radial-gradient(50% 44% at 6% 38%, rgba(0, 122, 255, 0.12), transparent 70%),
    radial-gradient(46% 40% at 68% 90%, rgba(0, 0, 156, 0.1), transparent 70%);
}

/* ==========================================================================
   Motion — ALL animation/transition lives in this block (WCAG 2.3.3; the
   reduce block above is a second safety net). Nebula translation of ctao.org:
   they drift looping videos under Galaxy-Blue vignettes; here an oversized
   gradient layer drifts via transform only (compositor-friendly, no repaints).
   Worst-case blob-over-text contrast verified ≥4.5:1 (see DESIGN.md).
   ========================================================================== */
@media (prefers-reduced-motion: no-preference) {
  @view-transition { navigation: auto; }
  html { scroll-behavior: smooth; }
  /* Bands hand their glow to a slowly roaming pseudo-layer (same --nebula stack) */
  .hero-band, .auth-band { background: var(--galaxy); }
  .hero-band::before, .auth-band::before {
    content: ""; position: absolute; inset: -45% -30%;
    background: var(--nebula);
    animation: nebula 22s ease-in-out infinite alternate;
  }
  /* Whole-page wash — slow drift, clearly alive within ~15s of looking */
  .has-ambient::before { animation: ambient 60s ease-in-out infinite alternate; }
  /* Hero content rises in once, gently staggered */
  .hero > * { animation: rise 0.5s ease-out backwards; }
  .hero > :nth-child(2) { animation-delay: 0.08s; }
  .hero > :nth-child(3) { animation-delay: 0.16s; }
  .hero > :nth-child(4) { animation-delay: 0.24s; }
  /* Hover feedback */
  .card, .search-results li { transition: border-color 0.15s ease, box-shadow 0.2s ease, transform 0.2s ease; }
  .card:hover { transform: translateY(-2px); }
  .btn, .login-mock, .navlink { transition: background-color 0.15s ease, color 0.15s ease; }
}
@keyframes nebula { /* inert unless applied inside the block above */
  from { transform: translate3d(-6%, -4%, 0) rotate(-5deg) scale(1); }
  to { transform: translate3d(6%, 5%, 0) rotate(5deg) scale(1.22); }
}
@keyframes ambient {
  from { transform: translate3d(-4%, -3%, 0) rotate(-9deg) scale(1); opacity: 0.85; }
  to { transform: translate3d(4%, 4%, 0) rotate(9deg) scale(1.14); opacity: 1; }
}
@keyframes rise { from { opacity: 0; transform: translateY(14px); } }